Storing to Drupal

urlLoad: '/js/grapesjs/load',
      autosave: true,
      params: {
        entity_type: drupalSettings.wembassy.siteBuilder.entity_type,
        'bundle': drupalSettings.wembassy.siteBuilder.bundle,
        'template': $('#gjs-pn-templates-a select').val(),
        'default': 1,
        'status': 1
      },
      load: function(keys) {
        console.log('Loading', keys);
        var res = {};
        for (var i = 0, len = keys.length; i < len; i++){
          var v = drupalSettings.wembassy.siteBuilder.template_data[keys[i]];
          if(v) res[keys[i]] = v;
        }
        return res;
      },
      store: function(data){
        var templateData = {
          'entity_type': drupalSettings.wembassy.siteBuilder.entity_type,
          'bundle': drupalSettings.wembassy.siteBuilder.bundle,
          'template': $('#gjs-pn-templates-a select').val(),
          'data': data,
          'default': 1,
          'status': 1,
        };
        $.ajax({
          type: "POST",
          url: "/js/grapesjs/save",
          data: templateData,
          async: false,
          success: function(e) {
            console.log("Saved data", e);
            return true;
          },
          dataType: "json"
        });
      }});

    storageManager.setCurrent('drupal');
`